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Finding the Fourth Proportional to 650,578,166.88, 897,797,875.20 and 357,222,734.88

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Solution

The fourth proportional to 650,578,166.88, 897,797,875.20 and 357,222,734.88 is: 492,967,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,578,166.88 : 897,797,875.20 = 357,222,734.88 : x
  2. Step 2: Convert to fraction form
    650,578,166.88/897,797,875.20 = 357,222,734.88/x
  3. Step 3: Cross multiply
    650,578,166.88x = 897,797,875.20 × 357,222,734.88
  4. Step 4: Simplify right side
    650,578,166.88x = 320,713,812,348,396,928
  5. Step 5: Solve for x
    x = 320,713,812,348,396,928/650,578,166.88
  6. Step 6: Final answer
    x = 492,967,376.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.